AMD Ryzen 7 7840H vs AMD Ryzen 9 9955HX
CPU · Specs Compare
General Parameters
Release Date
Jan 2023
Jan 2025
Manufacturer
AMD
Amd
Type
Laptop
Laptop
Core Architecture
Phoenix
Zen 5 (Fire Range)
Integrated Graphics
Radeon 780M
Radeon 610M
Generation
Ryzen 7 (Zen 4 (Phoenix))
—
Instruction Set
—
x86-64
Processor Number
—
9955HX
Series
—
Ryzen 9000 Series
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
4 nm
Socket
AMD Socket FP8
FL1
Power Consumption
35 W
55-75 W
Peak Operating Temperature
100 °C
100 °C
Foundry
TSMC
—
Die Size
178 mm²
—
Package
FP8, FP7, FP7r2
—
Max Turbo Power Consumption
—
101 W
CPU Performance
Performance Core Base Frequency
3.8 GHz
2.5 GHz
Performance Core Turbo Frequency
5.1 GHz
5.4 GHz
Total Core Count
8
16
Total Thread Count
16
32
Bus Frequency
100 MHz
100 MHz
Multiplier
38.0
25
L1 Cache
64 K per core
80 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
16 MB shared
64 MB shared
Unlocked Multiplier
No
Yes
SMP
1
—
Performance Cores
—
16
Performance Core Threads
—
32
Memory Parameters
Memory Types
DDR5-5600
DDR5-5600
Max Memory Size
256 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
89.6 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2700 MHz
2200 MHz
Execution Units
12
2
GPU Base Frequency
—
400 MHz
Shader Units
—
128
Texture Units
—
8
Raster Operation Units
—
4
Power Consumption
—
15
Miscellaneous
PCIe Version
4
5.0
PCIe Lanes
20
28
Benchmark
Geekbench 6
2,625
3,228
Geekbench 6
11,813
19,559
Cinebench R23
—
2,154
Cinebench R23
—
35,887
Cinebench 2024
—
129
Cinebench 2024
—
2,057
Blender
—
545
▲ Specs Compare
Data sourced from official specifications and benchmark tests.